2011 Iditarod Trail Sled Dog Race

March 7, 2011

Bill Roth/Associated Press

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In this March 5, 2013 photo, a musher and dog team cross the ice between the Rohn and Nikolai checkpoints in Alaska during the Iditarod Trail Sled Dog Race. (AP Photo/The Anchorage Daily News, Bill Roth)

Bill Roth/Associated Press

252of301

In this March 5, 2013 photo, a musher and dog team cross the ice between the Rohn and Nikolai checkpoints in Alaska during the Iditarod Trail Sled Dog Race. (AP Photo/The Anchorage Daily News, Bill Roth)